How to learn iptables?

How you can quickly learn iptables?
Maybe there are video tutorials ready for fools to have everything chewed in detail in the examples?
I will be glad if someone wants to give me a paid video tutorials to accelerate the learning process.
July 2nd 19 at 18:22
4 answers
July 2nd 19 at 18:24
Solution
this is enough
July 2nd 19 at 18:26
What exactly want to learn? All tools scope and and from this the barrier to entry is changing.

Learn how to open ports - one
To load balance the traffic more
Signature on the fly to ban objectionable - third.
Here and ready lesson plan. - Jaqueline.Parisian commented on July 2nd 19 at 18:29
July 2nd 19 at 18:28
until he sings....Xia will not understand.
July 2nd 19 at 18:30
iptables cannot be learned, it's not a poem, not a prayer. But you can learn to write rules that are effective for solving various tasks.

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